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Examples of what Lisp's macros can be used for


Examples of what Lisp's macros can be used for

By : andy
Date : November 19 2020, 07:01 PM
should help you out I've heard that Lisp's macro system is very powerful. However, I find it difficult to find some practical examples of what they can be used for; things that would be difficult to achieve without them. , Source code transformations. All kinds. Examples:
code :


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Are there any purely functional Schemes or Lisps?

Are there any purely functional Schemes or Lisps?


By : user2010557
Date : March 29 2020, 07:55 AM
I hope this helps you . Probably not, at least not as anything other than toys/proofs of concept. Note that even Haskell isn't 100% purely functional--it has secret escape hatches, and anything in IO is only "pure" in some torturous, hand-waving sense of the word.
So, that said, do you really need a purely functional language? You can write purely functional code in almost any language, with varying degrees of inconvenience and inefficiency.
Clojure vs other Lisps

Clojure vs other Lisps


By : realee
Date : March 29 2020, 07:55 AM
To fix the issue you can do My personal list of reasons for preferring Clojure to other Lisps (p.s. I still think all Lisps are great!):
What is to Vim as Lisps are to Emacs?

What is to Vim as Lisps are to Emacs?


By : user3676489
Date : March 29 2020, 07:55 AM
I wish this helpful for you While vimscript is indeed the primary extension language for vim recent versions support Ruby, Perl and Python extensions as well.
To answer the actual question - vim is immensely popular with Perl, Python, PHP and Ruby developers. I know quite of lot of those and next to none are using Emacs for various reasons. This is, of course, reflected in the supported extension languages I noted earlier.
Good examples of Clojure macros usage which demonstrate advantages of the language over the mainstream?

Good examples of Clojure macros usage which demonstrate advantages of the language over the mainstream?


By : Mounamukhar Goswami
Date : March 29 2020, 07:55 AM
should help you out there are a lot of macros in the base of clojure that you don't think about... Which is a sign of a good macro, they let you extend the language in ways that make life easier. With out macros life would be much less exciting. for instance if we didn't have
code :
(with-out-str (somebody else's code that prints to screen))
(with-open-file [fh (open-a-file-code ...)]
   (do (stuff assured that the file won't leak)))
Do any lisps have a s-expression as their head, e.g. ((f 2) 3 4)? If not, why?

Do any lisps have a s-expression as their head, e.g. ((f 2) 3 4)? If not, why?


By : Murat Murat
Date : March 29 2020, 07:55 AM
wish help you to fix your issue In those Lisps, which have single namespace for variables and functions, your expression is valid. These are called Lisp-1. Scheme and Clojure are examples of such Lisps.
In those Lisps, which have separate namespaces for variables and functions, your expression would be (funcall (f 2) 3 4). These are called Lisp-2. Common Lisp and Emacs Lisp are examples of such Lisps.
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